<button nz-button class="btn-import" [disabled]="uploadingStateText === '导入中'" [nz-tooltip]="toolTips">
    <ng-container style="display: flex; align-items: center; justify-content: center;">
        <input type="file" ng2FileSelect [uploader]="uploader" (change)="onSelectedFileChanged($event)" />
        <i nz-icon nzType="import" nzTheme="outline"></i>
        {{ uploadingStateText }}
    </ng-container>
</button>
